Search a number
-
+
102122112011 is a prime number
BaseRepresentation
bin101111100011011110…
…0111100010000001011
3100202121001202210122212
41133012330330100023
53133121230041021
6114525251135335
710243452425663
oct1370674742013
9322531683585
10102122112011
113a3452a7287
12179605a454b
13982637011a
144d2ac251a3
1529ca6bd85b
hex17c6f3c40b

102122112011 has 2 divisors, whose sum is σ = 102122112012. Its totient is φ = 102122112010.

The previous prime is 102122112007. The next prime is 102122112047. The reversal of 102122112011 is 110211221201.

It is a weak prime.

It is an emirp because it is prime and its reverse (110211221201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102122112011 - 22 = 102122112007 is a prime.

It is not a weakly prime, because it can be changed into another prime (102122112091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061056005 + 51061056006.

It is an arithmetic number, because the mean of its divisors is an integer number (51061056006).

Almost surely, 2102122112011 is an apocalyptic number.

102122112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122112011 is an equidigital number, since it uses as much as digits as its factorization.

102122112011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102122112011 its reverse (110211221201), we get a palindrome (212333333212).

The spelling of 102122112011 in words is "one hundred two billion, one hundred twenty-two million, one hundred twelve thousand, eleven".